Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 21, 2013; 19(23): 3543-3554
Published online Jun 21, 2013. doi: 10.3748/wjg.v19.i23.3543
Table 2 Ultrasonography features for the diagnosis of monocytic diseases of the liver
Simple cystCystic echinococcosisAlveolar echinococcosisCystadenoma and cystadenocarcinoma
BorderSharp and smoothLaminatedIrregularIrregular
ShapeSpherical or ovalRound or ovalIrregularRound or oval
Echo patternAnechoic1Anechoic or atypical2Hyperechogenic outer ring and hypoechogenic centreHypoechogenic with hyperechogenic septations
AppearanceNo septaMultiseptatedMultivesicularSeptated and/or solid structures (papillary projections)
WallStrong posterior wall echoesWall enhancement
Posterior acoustic featureRelative3 accentuation of echoesDorsal shadowing (calcified areas)Dorsal shadowing (calcified areas)